Home / 17,173.85-25,717.01-8,385.75

Finding the Fourth Proportional to 17,173.85, 25,717.01 and 8,385.75

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Solution

The fourth proportional to 17,173.85, 25,717.01 and 8,385.75 is: 12,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.85 : 25,717.01 = 8,385.75 : x
  2. Step 2: Convert to fraction form
    17,173.85/25,717.01 = 8,385.75/x
  3. Step 3: Cross multiply
    17,173.85x = 25,717.01 × 8,385.75
  4. Step 4: Simplify right side
    17,173.85x = 215,656,374.68
  5. Step 5: Solve for x
    x = 215,656,374.68/17,173.85
  6. Step 6: Final answer
    x = 12,557.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.